Table 3.

Node tree of the coding. Not all subcategories were used for this study.

Main categories	Subcategories
Organisational perspectives	Reasons for compliance
	Motivation from colleagues
	Colleagues as barriers
	Work facilitates participation
	Obligation, conscience
	Organisational barriers
	Time/priority
Implementational perspectives	Reasons for compliance
	Organisation of the exercise
	Organisation of the exercise rooms
	Intrinsic value of the exercise form
	The role of the instructor
	The instructor as a motivation
	The instructor as a barrier
	The VIMS intervention as inspiration for private exercise
Individual perspectives	Expectations for participation in VIMS
	Meet expectations
	Personal changes
	Reasons for compliance
	Obligation, conscience
	External motivation
	Time/priority
	The VIMS intervention as inspiration for private exercise
	Attitudes towards/recommendations for exercise at the work place